Cross reference · MS (US military standards) · Machine screw
MS51958 cross referenceFFS92
MS51958 is a machine screw series on 178 government stock numbers. Its closest equivalents are FFS92. Each one is labeled with how strong the evidence is.
- Issued by MS
- Item Machine screw
- Stock numbers 178
- Equivalents 24
- DLA paid $0.0200 to $59.00
Equivalents in the government catalog
Catalog-only listings need engineering approval before you substitute.
Manufacturers
1 more on one stock number each: NKS51958
- NKS51958Long-LokCatalog only, needs approvalon 1 of 178 stock numbers
Standards
- FFS92Federal specificationsCatalog only, needs approvalon 57 of 178 stock numbers, 2 sizes
- NASM51958NASCatalog only, needs approvalon 55 of 178 stock numbers, 11 sizes
- AN520CANCatalog only, needs approvalon 5 of 178 stock numbers, 5 sizes
- NAS1635NASCatalog only, needs approvalon 4 of 178 stock numbers, 4 sizes
- FFS92TYPE3STYLE9CFederal specificationsCatalog only, needs approvalon 2 of 178 stock numbers, 2 sizes
7 more on one stock number each: NAS51958, AN500AB, AN515C, AN515C8R, AN520, AN526, NASMS51958
- NAS51958NASCatalog only, needs approvalon 1 of 178 stock numbers
- AN500ABANCatalog only, needs approvalon 1 of 178 stock numbers
- AN515CANCatalog only, needs approvalon 1 of 178 stock numbers
- AN515C8RANCatalog only, needs approvalon 1 of 178 stock numbers
- AN520ANCatalog only, needs approvalon 1 of 178 stock numbers, 2 sizes
- AN526ANCatalog only, needs approvalon 1 of 178 stock numbers
- NASMS51958NASCatalog only, needs approvalon 1 of 178 stock numbers
Airframer and OEM drawings
- VA97LeonardoCatalog only, needs approvalon 4 of 178 stock numbers, 5 sizes
- SMA131025US ArmyCatalog only, needs approvalon 3 of 178 stock numbers, 3 sizes
- 128C604BFNorthrop GrummanCatalog only, needs approvalon 2 of 178 stock numbers, 2 sizes
8 more on one stock number each: 128C604DE, 128C604DF, 128C604GF, 7581384P, 91772A, 955606C, A05294, BH202SS
- 128C604DENorthrop GrummanCatalog only, needs approvalon 1 of 178 stock numbers
- 128C604DFNorthrop GrummanCatalog only, needs approvalon 1 of 178 stock numbers
- 128C604GFNorthrop GrummanCatalog only, needs approvalon 1 of 178 stock numbers
- 7581384PLockheed MartinCatalog only, needs approvalon 1 of 178 stock numbers
- 91772ALockheed MartinCatalog only, needs approvalon 1 of 178 stock numbers
- 955606CRTXCatalog only, needs approvalon 1 of 178 stock numbers
- A05294MBDACatalog only, needs approvalon 1 of 178 stock numbers
- BH202SSHoneywellCatalog only, needs approvalon 1 of 178 stock numbers
Plus 149 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).
Get quotes for MS51958
Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.
Install tooling
SpecLok has no catalog family for MS51958. Tooling for the equivalents:
None of the equivalents is in the SpecLok catalog yet.
What the government paid
DLA awards on 68 of 178 stock numbers, 306 awards from 2023-01-04 to 2026-09-02.
Latest award per stock number: $0.0200 to $59.00 each.
DLA production lead time: 10 to 349 days.
Per size in the table below.
DLA prices at DLA quantities, not a quote.Source
DLA award prices at DLA quantities and terms, not a commercial quote. Each award may bundle packaging, delivery and inspection terms that a commercial buy does not. Vendors are shown by CAGE code only.
Source: DLA FOIA Electronic Reading Room ↗, public FOIA releases. Files: 2023ContHist.zip/2023ContractHistory.txt, 2024ContHist.zip/2024ContractHistory.txt, contracthist2025.zip/contracthist2025.txt, 2026-09-16-1038_contracthist.zip/2026-09-16-1038_contracthist.txt.
Sizes by maker
| NSN | MS51958 | FFS92 | NASM51958 | Last DLA price |
|---|---|---|---|---|
| 5305-00-057-0497 | MS51958-1 | FFS92 | ||
| 5305-00-057-0498 | MS51958-2 | |||
| 5305-00-057-0500 | MS51958-4 | $0.28 2026-03 | ||
| 5305-00-057-0502 | MS51958-5 | $0.0200 2023-05 | ||
| 5305-00-057-0503 | MS51958-6 | $1.40 2026-08 | ||
| 5305-00-057-0504 | MS51958-7 | $0.60 2026-03 | ||
| 5305-00-057-0505 | MS51958-8 | $1.47 2026-04 | ||
| 5305-00-057-0506 | MS51958-9 | |||
| 5305-00-057-0507 | MS51958-10 | FFS92 | $0.19 2026-05 | |
| 5305-00-057-0508 | MS51958-11 | $0.0300 2023-03 | ||
| 5305-00-057-0509 | MS51958-12 | NASM51958-12 | $0.0900 2026-07 | |
| 5305-00-057-0510 | MS51958-13 | |||
| 5305-00-057-0511 | MS51958-14 | |||
| 5305-00-057-0512 | MS51958-15 | |||
| 5305-00-057-0513 | MS51958-16 |
Show 45 more sizes
| NSN | MS51958 | FFS92 | NASM51958 | Last DLA price |
|---|---|---|---|---|
| 5305-00-057-0514 | MS51958-17 | |||
| 5305-00-057-0515 | MS51958-18 | $0.65 2026-04 | ||
| 5305-00-057-0516 | MS51958-19 | $1.20 2026-06 | ||
| 5305-00-057-0517 | MS51958-20 | NASM51958-20 | $0.60 2026-05 | |
| 5305-00-057-0518 | MS51958-21 | |||
| 5305-01-210-9418 | MS51958-23 | FF-S-92 | ||
| 5305-00-964-0310 | MS51958-24 | $0.16 2023-01 | ||
| 5305-00-057-0521 | MS51958-25 | $0.0900 2025-10 | ||
| 5305-00-057-0522 | MS51958-26 | NASM51958 | $0.0800 2024-08 | |
| 5305-00-057-0523 | MS51958-27 | |||
| 5305-00-057-0524 | MS51958-28 | NASM51958 | $0.49 2025-12 | |
| 5305-00-057-0525 | MS51958-29 | FF-S-92 | NASM51958 | |
| 5305-00-057-0526 | MS51958-30 | NASM51958 | $0.28 2026-03 | |
| 5305-00-057-0527 | MS51958-31 | NASM51958 | $3.20 2026-01 | |
| 5305-00-701-5050 | MS51958-32 | $0.18 2026-05 | ||
| 5305-00-701-5051 | MS51958-33 | |||
| 5305-00-069-5600 | MS51958-34 | |||
| 5305-00-701-5052 | MS51958-35 | |||
| 5305-00-701-5053 | MS51958-36 | |||
| 5305-01-273-9880 | MS51958-37 | FF-S-92 | ||
| 5305-00-701-5055 | MS51958-38 | $7.80 2026-03 | ||
| 5305-01-448-7627 | MS51958-39 | NASM51958 | ||
| 5305-01-148-7451 | MS51958-40 | FF-S-92 | ||
| 5305-00-701-5057 | MS51958-41 | |||
| 5305-00-701-5058 | MS51958-42 | |||
| 5305-00-701-5059 | MS51958-43 | |||
| 5305-00-701-5060 | MS51958-44 | |||
| 5305-00-701-5061 | MS51958-45 | $0.15 2025-05 | ||
| 5305-00-057-0528 | MS51958-46 | NASM51958 | ||
| 5305-00-057-0529 | MS51958-47 | |||
| 5305-00-057-0530 | MS51958-48 | NASM51958 | ||
| 5305-00-057-0533 | MS51958-49 | NASM51958 | ||
| 5305-00-057-0534 | MS51958-50 | NASM51958 | ||
| 5305-00-057-0535 | MS51958-51 | NASM51958 | ||
| 5305-00-057-0536 | MS51958-52 | NASM51958 | ||
| 5305-00-057-0537 | MS51958-53 | NASM51958 | $3.72 2026-07 | |
| 5305-00-946-8259 | MS51958-54 | NASM51958 | ||
| 5305-00-901-9767 | MS51958-55 | |||
| 5305-00-057-0538 | MS51958-56 | NASM51958 | $1.45 2025-08 | |
| 5305-01-465-3246 | MS51958-57 | |||
| 5305-00-057-0539 | MS51958-58 | NASM51958 | ||
| 5305-00-059-3655 | MS51958-59 | FFS92 | NASM51958-59 | |
| 5305-00-059-3656 | MS51958-60 | |||
| 5305-00-059-3657 | MS51958-061 | NASM51958-61 | $0.11 2026-01 | |
| 5305-00-059-3658 | MS51958-62 |
Each row is one National Stock Number and the part numbers DLA FLIS lists on it, as written there. A blank means FLIS lists no part in that series on the stock number, not that the size does not exist. 118 more stock numbers are not shown.
Sources and how to read this page.Details
Reference numbers the Federal Logistics Information System records against the same National Stock Number. A supply-catalog cross-reference, not an engineering-approved interchangeability: confirm against the controlling drawing or spec before substituting. Only equivalents marked cited have a manufacturer or government document, linked with each.
Source: DLA Federal Logistics Information System, via DLA PUB LOG ↗ (FLIS Data Electronic Reading Room ↗), data as of 2025-03-18 (March 2025 snapshot). Federal supply class 5305 Screws. Issuer names are SpecLok's reading of the filing CAGE code; distributors are not named. Compiled 2026-10-02.
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